The paper analyzes the effect of rotation and fertilization on alfalfa productivity on the Loess Plateau based on a long-term experiment.

在长期定位试验的基础上，分析黄土高原地区轮作与施肥对苜蓿生产力的影响。

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The yield response of crop to phosphate fertilizer and organic manure and the loss risk of phosphorus in soil were studied using a long-term experiment.

采用磷肥和有机肥田间定位试验的作物产量效应和土壤积累磷的环境风险相结合的方法。

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During this experiment I'm feeling very appreciative of my home, long-term relationships, and other things that give me a sense of stability.

实验过程中我对自己的家庭感到钦佩，良久的亲戚关系以及其它林林总总令我感到安稳。

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On Thursday, a week later, it inched further toward a long-term deal with Google because the companies are pleased with the initial results of the experiment, according to The Wall Street Journal.

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